*SUPPORT*
IN: tufa wif tufa OUT: YELLOW YELLOW
IN: zup tufa fep zup OUT: PURPLE PURPLE PURPLE YELLOW
IN: gazzer zup gazzer blicket OUT: RED PURPLE RED BLUE
IN: zup OUT: PURPLE
IN: tufa wif zup OUT: YELLOW PURPLE
IN: blicket wif tufa OUT: BLUE YELLOW
IN: gazzer blicket fep tufa OUT: RED YELLOW YELLOW BLUE
IN: gazzer tufa fep gazzer OUT: RED RED RED YELLOW
IN: tufa fep gazzer OUT: RED RED YELLOW
IN: blicket wif gazzer OUT: BLUE RED
IN: zup fep blicket OUT: BLUE BLUE PURPLE
IN: zup wif tufa dax OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: zup gazzer wif blicket OUT: PURPLE RED BLUE
IN: blicket fep gazzer OUT: RED RED BLUE

*QUERY*
IN: blicket fep zup OUT: PURPLE PURPLE BLUE
IN: tufa OUT: YELLOW
IN: blicket tufa wif tufa OUT: BLUE YELLOW YELLOW
IN: blicket tufa fep gazzer OUT: BLUE RED RED YELLOW
IN: zup wif zup OUT: PURPLE PURPLE
IN: blicket OUT: BLUE
IN: gazzer wif blicket OUT: RED BLUE
IN: gazzer wif zup OUT: RED PURPLE
IN: gazzer wif gazzer dax OUT: RED RED RED RED RED RED
IN: gazzer OUT: RED

*GRAMMAR*
blicket -> BLUE 
 zup -> PURPLE 
 gazzer -> RED 
 tufa -> YELLOW 
 u1 fep u2 -> [u2] [u2] [u1] 
 x1 dax -> [x1] [x1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 